Infinitely Expandable Display Apparatus and Driving Method Thereof

2. The expandable display apparatus of claim 1, wherein a first ASIC of the master display circuit calculates a physical second resolution of the plurality of display circuits based on the unit arrangement coordinate information and scales the first resolution of the image data to a second resolution.

3. The expandable display apparatus of claim 1, wherein the plurality of slave display circuits comprises a first slave display circuit and a last slave display circuit based on a signal transfer direction of the interface circuit, and the unit arrangement coordinate information is an updated result while the coordinate information of each slave display circuit is transferred from the first slave display circuit to the last slave display circuits based on the cascading scheme.

4. The expandable display apparatus of claim 3, wherein the unit arrangement coordinate information updated in the last slave display circuit is fed back to the master display circuit through a feedback loop.

5. The expandable display apparatus of claim 1, wherein the first ASIC included in each of the plurality of slave display circuits receives coordinate information about the previous display circuit from the plurality of display circuits through the interface circuit, calculates a coordinate addition value that is indicative of the relative location of the slave display circuit with respect to the previously display circuit based on the combination of the logical combination information about the plurality of connection check pins, adds the coordinate addition value to the coordinate information about the previous display circuit to generate coordinate information about a current display circuit that includes the first ASIC circuit, and transfers the coordinate information about the current display circuit to a next display circuit through the interface circuit.

6. The expandable display apparatus of claim 1, wherein the interface circuit is a unidirectional interface circuit or a bidirectional interface circuit.

7. The expandable display apparatus of claim 6, wherein the unidirectional interface circuit and is implemented via a short-distance wireless communication scheme or a V-by-One (V×1) scheme.

8. The expandable display apparatus of claim 6, wherein the bidirectional interface circuit and is implemented via a short-distance wireless communication scheme or a V-by-One (V×1) scheme.

12. The driving method of claim 9, wherein the unit arrangement coordinate information is an updated result while the coordinate information of each slave display circuit is transferred from the first slave display circuit to a last slave display circuit according to a signal transfer direction based on the cascading scheme.

14. The expandable display apparatus of claim 13, wherein at least one second display circuit of the plurality of second display circuits is configured to receive, from another display circuit that precedes the at least one second display circuit in the cascaded arrangement, first unit arrangement coordinate information about the other display circuit, and generate second unit arrangement coordinate information about the at least one second display circuit based on the first unit arrangement coordinate information about the other display circuit, and output the second unit arrangement coordinate information to a next display circuit in the cascaded arrangement.

15. The expandable display apparatus of claim 14, wherein a last second display circuit from the plurality of second display circuits in the cascaded arrangement is configured to transmit third unit arrangement coordinate information about the last second display circuit to the first display circuit via a feedback loop, and the first display circuit is configured to calculate the second resolution of the plurality of display circuits based on the third unit arrangement coordinate information received from the last second display circuit.

16. The expandable display apparatus of claim 13, wherein the interface circuit is a unidirectional interface circuit or a bidirectional interface circuit.

17. The expandable display apparatus of claim 16, wherein the unidirectional interface circuit or the bidirectional interface circuit is implemented via a short-distance wireless communication scheme or a V-by-One (V×1) scheme.